https://en.wikipedia.org/wiki/Prime_Directive
https://en.wikipedia.org/wiki/Fermi_paradox
https://www.universetoday.com/138447/finding-alien-life-bad-great-filter/
https://www.nationalgeographic.com/science/article/how-would-people-react-alien-life-discovery-aaas-space-science
https://www.nbcnews.com/storyline/the-big-questions/why-these-scientists-fear-contact-space-aliens-n717271
https://www.scientificamerican.com/article/how-scientists-could-tell-the-world-if-they-find-alien-life/
https://www.nbcnews.com/mach/science/discovery-alien-life-might-not-bring-response-you-d-expect-ncna849046
https://www.space.com/25325-fermi-paradox.html
https://www.space.com/10578-study-fear-aliens-dangerous-extraterrestrials.html
https://en.wikipedia.org/wiki/Native_American_disease_and_epidemics
https://en.wikipedia.org/wiki/Flatwoods_monster